When install Visual Studio 2015, you might select Node.js in the wizard. It will work smoothly to install gulp, angular etc. However, when you are going to install wdio utility of webdriverio by "npm install wdio", you might experience the following error. Apparently, wdio is dependent on fibers; there is error when node-gyp is trying to compile fibers. Follow node-gyp windows installation document to install python 2.7 etc on windows while the issue will still be persistent.

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